The most important rule of investment is to buy what is cheaper than its value - even if its value is small, than to buy what is expensive - even if its value is great. This episode discusses with historical evidence what happened and what we may happen in the world of investment.

The episode revolves around Sir Isaac Newton's life, from birth to his death. His scientific achievements, theological studies, psychological tragedies, gravitational wheel.... The episode is about the real physics monster, about the scientist who changed the world, Sir Isaac Newton.

Autism is one of the diseases associated with several superstitions: Is autistic genius or sick? Is autism caused by raising? Or vaccinations? Or mercury? Or lead? Is autism a disease only affecting children? Is there a cure for autism? We try to paint an objective and more detailed picture of autism, autistic people and their families are individuals in this society, living in it and enriching it with their very own vision of the world, deserving of support, but they deserve to choose the form of such support as well, and deserve the right to reject it, if they want.

Have you ever thought about the relationship between a wave and a circle? Between a negative square and the electric current that lights up your home? Is mathematics discovered? Or invented? And how did the fear of poverty affect the speed of development of mathematics? Join us for a diverse mix of history, science and mathematics, on a real journey with imaginary numbers!

Disney World... the amusement park that became America's most important landmark in the twentieth century, a city that has more visitors than the White House and the Statue of Liberty. Disneyland is not just an amusement park, but an independent world or a country with its own laws and details. After decades, it is considered one of the most famous places without competition. I wonder why?

Concrete is the second most consumed material on Earth after water. It is a great material with which you can build any structure above, below, or even underwater, whether it is a one or two-story building or a skyscraper. In this episode, we will learn about the history of concrete as a material, what were the ways in which humans built before concrete was introduced, and how did we reach these huge rates of consumption? We will also learn about its advantages, its disadvantages, the problems it has caused to the environment, and what solutions engineers and scientists are proposing to solve its problems.

Ten years ago, an unknown person tried to hide a huge passenger plane from all sight and radar devices, and the world is still searching for it to this day!

The story begins with Nikola Tesla's birth in Smiljan, and explores the various stages of his early life. The episode sheds light on his upbringing in the Austro-Hungarian Empire and his early journey towards science and knowledge. The episode follows Tesla's exciting and dramatic life before he moved to the United States of America.

In this episode, we follow the story of the great scientist and inventor Nikola Tesla after his arrival in the United States of America, and his profound impact on the world with his revolutionary innovations in the field of electricity and energy. The episode shows how Tesla was an oppressed inventor, as he did not receive enough recognition during his life compared to the great contributions he made to humanity. The episode also highlights the conflicts he faced with other inventors such as Thomas Edison and Marconi. This episode is a continuation of an enjoyable and informative journey through the life of one of the greatest inventors in history, and provides a glimpse into the brilliant mind that helped shape the modern world as we know it today.

The story of Robin Hood embodies resistance against injustice and persecution, as he steals from the rich to give to the poor. The story raises philosophical questions about justice and morality, and was Robin Hood’s work moral or not? The story of Robin Hood remains an inspiration to many, a reminder of the importance of fighting for justice and equality in the world.

The episode revolves around the German military leader Erwin Rommel, who, through the genius of his offensive methods and military tactics, was able to gain the position of the most important general in Nazi Germany. He wins the admiration and fear of his enemies with his legendary title Desert Fox. The episode reviews Rommel's development of his military methods in World War I and then applying them more effectively in the Blitzkrieg, or the blitzkrieg practiced by the Nazis, and how Rommel's methods succeeded in achieving temporary German hegemony over North Africa and almost turned the tide of war.

Titanic was not an ordinary ship... it was the largest passenger ship the world knew at that time... it was the largest, most luxurious, and most expensive... but all of that could not save it from its inevitable fate... On April 15, 1912, the unsinkable ship sank... The episode revolves around how the Titanic sank and was it possible to avoid this disaster... How could one person have saved the lives of more than 1,500 people?

A failed football player turns into a coach the day after his retirement. A team from a small city called Mainz has never advanced to the Bundesliga and struggles every year to avoid relegation to the third division. How was this perfect mixture of failure the beginning of the career of one of the most important football coaches in history... Jurgen Klopp?

From Mainz to Dortmund to Liverpool, Jurgen Klopp's great journey as a coach was full of gains and losses, but what was more important than what he gained and what he lost was his ability to always "create hope" and make everyone believe him. He is inspired that anything is possible, and that it is quite possible for a bow and arrow to defeat a bazooka.

At the heart of American democracy, the Electoral College system reveals the complexities of choosing a president, as a candidate can win without a popular majority. Strategies and alliances help determine the fate of the presidential race, raising questions about the extent to which the regime represents the will of the people

What is the truth about Freemasonry? This is the most famous international organization in the world and the most secret at the same time. How was this organization formed and why did world celebrities join it? How did some people link it to the most evil events in human history?

What is Toyota’s production system known as “TPS”? How did the Japanese company Toyota become, according to some experts, the most important car manufacturing company in the world, and how did it manage to sell more than 50 million Toyota Corolla cars, making it the largest car model sold in history.

Chimpanzees, gorillas, bonobos and orangutans unite to take over the world in (Planet of the Apes). It is a more exciting and terrifying plot than alien control. Can the movie's prophecy come true in reality and monkeys overcome humans? The episode investigates what is fictional and what is based on reality in the plot of these films, covering the film's four main animals.

The episode revolves around the role that the mafia played in helping the American army win in the Battle of the Atlantic that took place between the Allied fleets and submarines on the one hand and the Axis on the other, after the penetration of the ports of New York and the American East Coast and the need for naval intelligence to help secure the ports from espionage activities that helped the German Navy to Sinking American destroyers and supply ships moving to Europe near the coast.

Salt is not just the substance that we put on food that gives it taste. It is an entire human history. Because of salt, wars have arisen, and uprisings and revolutions have arisen for it. Salt has been used as a weapon throughout history. If it were not for salt, much of our reality today, the shape of our lives, and our health would have changed as well. If it were not for salt, Perhaps humanity has been fascinated since time immemorial.

The Last Supper...the most important work of the Renaissance and the most reproduced painting. Artists have been influenced by it to this day, and researchers have worked hard to uncover its secrets. What are the circumstances in which it was painted? What are the techniques used to create the unique masterpiece? What was its creator, Leonardo da Vinci, thinking?

The episode revolves around the history of Marvel, which began as a small company and a shadow of DC, which dominated the golden age of comics in the 1930s with the character “Superman.” The episode explains how Marvel succeeded, through the leadership of a young man named “Stan Lee,” in changing the equation by creating... Superheroes are closer to the audience, and they represent all categories, such as Spider-Man, the teenage hero, Black Panther, the African-American hero, and Iron Man.

During the war on Gaza, many were surprised by Ireland’s strong supporter of Palestinian rights. The Irish moved to support the Palestinian cause and the Palestinian people like no other country in the world did, and the reason for this is simple, as the Irish Prime Minister said: Their cause reminds us of our cause.. Ireland’s story It is a sad and at the same time inspiring story, from persecution to liberation and independence.

The camel occupied a special place among the Arab man and they developed a partnership that helped both parties survive. This episode explores how this animal evolved from an animal that migrated from the Americas and then succeeded in inhabiting both the coldest and the hottest and driest environments, and how its physiological and behavioral characteristics helped it succeed in doing so, and how it was a lifeboat in the Middle Ages, and what it came to represent for Bedouin people and for the entire Arab culture. Even decades after his retirement in the age of engines and four-wheelers.

Who among us does not know the Singer sewing machine? A machine that we, our mothers, and perhaps our grandmothers know as well. How has the company managed to continue for more than 100 years? What has been its impact on societies over the past century? Has it really helped women earn an income for themselves and their families from home, or has it added new pressures on women?

Can marriage be studied scientifically? Why is grumpiness always attributed to wives? And why is indifference always attributed to men? In this episode, we discuss the most common myths about happy marriage, marital infidelity, "housework", the relationship between happy marriage, health and longevity, how happy husbands and wives deal with their problems, and what makes them different from others?

After citizenship was once a privilege for the elite only, it has finally become a right for every human being. But does this guarantee equality for all? Are all nationalities the same? Why do some people want another nationality? And how can they get it? The episode discusses what it means to have a world divided by borders where the password is your nationality and to what extent attempts to cross over succeed.

Why is an hour made up of sixty minutes? Why do we use ten symbols for numbers in our usual number system? How did man manage to add using electricity instead of pen and paper? This episode takes you on a journey through logic gates and into the world of computers.

The Korean series "Squid Game" has broken the record for the most popular series on Netflix since its founding in 1997, achieving 1.65 billion hours of viewing in less than a month after its release. This great achievement is just the tip of the iceberg of the Korean Wave that has swept the world in recent years. How did a small country manage to influence the world and compete with Hollywood?

The gecko is a scary and disgusting animal in some cultures, an ideal pet in others, and a source of inspiration for engineering, biological and medical inventions. The episode revolves around the gecko, one of the most famous and widespread types of lizards.

3.5 million Americans fought in the American Civil War, which is about 10% of the American population at the time. More than 620 thousand Americans died.. which is about 2% of the American population!.. Why did Americans kill each other for 4 years.. How did the American Civil War start?

After years of the American Civil War, neither side was able to defeat the other, America turned into an arena for massive killing, and along a front that extended 1,600 kilometers.. America became a terrifying arena of misery.. How did the American Civil War end and what happened to the defeated in it?.. And what were the results of this war..?

For a period of time, the prevailing belief among us (Arabs) was that the Holy Qur’an and pre-Islamic poetry were the oldest forms of the Arabic language that had reached us. However, the inscriptions that travelers and orientalists found in the Arabian Peninsula during the last century and the century before it turned this belief upside down, so that we were able to come up with amazing discoveries about trying to reach the first form of the Arabic language, and to come up with even more amazing conclusions about the way in which the Arabic language developed from writing in a very strange way found in these inscriptions, to its current form that we write now.

The episode revolves around the life story of the artist and martial arts teacher "Bruce Lee", starting from his suffering in his childhood as a multi-ethnic child in Hong Kong, until his transformation into a global icon that crosses borders in the world of martial arts and the world of cinema.

Plastic is an invention that has changed life on Earth, and its uses have gradually expanded to include most industries, from plastic bottles to artificial joints, until it has now become impossible to give it up without collapsing our world as we know it. But plastic is also gradually destroying the environment, with its waste that is almost impossible to decompose, and its role in increasing global warming, transmitting diseases, and harming marine life. So how did plastic transform from a solution aimed at preserving the environment and its natural resources to the savagery we see today?

The episode revolves around how the Franco-Prussian War in the late 19th century turned into a scientific war between the French scientist Louis Pasteur and the German scientist Robert Koch, which led to the discovery of bacteria for diseases such as tuberculosis and anthrax and saved millions of lives?

Have you ever felt like you don't understand what you're doing? And that you've tricked people into thinking you do? You may be suffering from imposter syndrome. "Impostor syndrome" is a psychological pattern in which a person doubts their accomplishments and fears being exposed as not up to those accomplishments, despite evidence of their competence. This episode discusses this pattern that many great people throughout history have suffered from. The episode also asks about the relationship between competence and self-confidence, and where do our self-doubts originate?

After the 1967 setback, Umm Kulthum transformed from a famous singer into a national icon through her contribution to the war effort. She raised funds to rebuild the army and boost the morale of Egyptians and Arabs after the defeat through a series of concerts in the Arab world and Europe, including a historic concert at the Olympia Theater in Paris, which has the largest Jewish community in Europe and is controlled by Zionist organizations.

The journey of incubators that was not easy at all.... Starting from incubators for chicken eggs and passing through being part of a show in the amusement park... On how this device changed the course of humanity.. and how it saved 70% of children... And how it was invented by a doctor, developed by an engineer and spread by a fraudster... And what is the relationship between eugenics and incubators... And is it possible that some people hate that others live..

Sometimes, an idea takes over the mind to the point of taking over it, its owner’s time and effort, and even his personal relationships. If it reaches the level of illness, it is called obsessive-compulsive disorder, and its owner is called obsessive-compulsive. This world was certainly created by obsessive-compulsives, people with great ideas, and those who are devoted to them. But when is this obsession a blessing, and when is it a curse?

The story of the giant United Fruit Company and how it transformed from a mere banana trading company into a superpower that dominated the politics and economies of Central America. It reveals how it supported coups, exploited workers, committed massacres and started wars, turning entire countries into so-called “banana republics,” and how, despite its disappearance, it created a business model that is still largely used by giant multinational corporations today.

Offside is a toxic incident in football matches. It makes you celebrate a goal and then makes you feel stupid and embarrassed because you celebrated a goal that shouldn’t have been scored. For this very reason, the law has continued to develop to make it difficult for defenders and allow for more mistakes and more goals. With each development, there have been more details, and the details have reached centimeters that cannot be seen with the naked eye. The important thing is to achieve justice, but the question here is: Will justice lose its value if it is not visible to the naked eye?

The episode revolves around German Chancellor Angela Merkel, who entered the world of politics as a physicist in her thirties after the fall of the Berlin Wall, and in a quarter of a century became the most important Chancellor in the history of Germany after World War II and the undisputed most powerful leader of the old European continent.

In 2018, the first drug was developed to treat just one patient. The patient is Mila Makovec, and the drug is milasin. But Mila is one of millions of people suffering from rare diseases around the world. In this episode, we learn the answer to two questions: Why should we direct more investments to treating diseases that are by definition "rare"? And can a human life be put at a financial value?

In his transformation from businessman and reality TV star to US president, Donald Trump has captured attention and built a fan base using unconventional populist tactics, turning the election into a media battleground that has been both exciting and divisive. But is he simply the unhinged, eccentric man his enemies have portrayed him as, or is there more complex reasons for his popularity?

Pain has been a constant companion to humanity since its existence. Pain prompted man to search for a cure, and so began the first attempts at medicine. A long journey full of trials and errors. The episode reviews humanity's journey to find an effective and at the same time safe painkiller, starting with charms and amulets, passing through opium and its derivatives, and ending with the invention of Paracetamol.

How did humans use their science, knowledge and inventions to conquer the Atlantic Ocean and turn the barrier between the Old World and the New World into a pleasant outing?

Mushrooms are the most famous type of fungi, but they are not the fungus itself, but rather the fruit that the fungus produces. The real fungus lives underground, a unique life that is unlike the life of plants or animals, which prompted scientists to classify it within an independent kingdom of life. For a long time, this kingdom was marginalized and its role was limited to being merely pathogens. However, the world of fungi extends to reveal enormous potential that may contribute to saving humanity and achieving a sustainable future. What is the nature of these fungi? What do they feed on? And how do they live? This is what we will discover in this episode of the Da7ee7 program

The episode revolves around the psychology of the genius billionaire Elon Musk, founder of Tesla and SpaceX, and the controversial Asperger's syndrome patient with his eccentricities, recklessness, and harsh management style of his empire. How can genius and cruelty be traced from one character?

The episode revolves around Elon Musk's success in overcoming the 2008 crisis, reaching the top of the richest list, owning the X network for communication, and establishing his companies for a more innovative world future in the eyes of his supporters and terrifying in the eyes of his critics.

The god Set is still referred to as the god of evil among the ancient Egyptians, due to his killing of his brother Osiris and his conflict with Horus. However, the story of Set is much more complex than that. The story of Set is the story of the ancient Egyptian civilization that has been distorted and its symbols mixed up.

From flat Earth to alien reptiles to anti-vaccination movements, conspiracy theories are among the most widespread beliefs of our time and the fastest growing on social media. This episode explores why they emerge, the psychological motivations behind believing them, and the consequences of this intense belief in strange or scientifically unproven ideas.